Ireland vs Portugal: Annual CO₂ emissions by world region
Ireland
33.31 million tonnes
in 2024
Portugal
35.54 million tonnes
in 2024
Ireland rank
69th
Portugal rank
66th
Annual CO₂ emissions by world region over time
- Ireland
- Portugal
How they compare
Portugal currently reports 35.54 million tonnes against 33.31 million tonnes in Ireland, a difference of 2.23 million tonnes.
That makes Portugal's figure about 1.1 times Ireland's.
The two have swapped places 4 times across 113 shared years of data; in 1880 it was Portugal ahead.
Ireland ranks 69th and Portugal ranks 66th of 215 countries.
Across the 13 decades both report, Ireland averaged higher in 6 and Portugal in 7.
Head to head by decade
| Decade | Ireland | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1880s | 351,744 tonnes | 884,856 tonnes | 533,112 tonnes | Portugal |
| 1910s | 238,618 tonnes | 2.68 million tonnes | 2.44 million tonnes | Portugal |
| 1920s | 5.57 million tonnes | 3.14 million tonnes | 2.43 million tonnes | Ireland |
| 1930s | 9.61 million tonnes | 4.20 million tonnes | 5.41 million tonnes | Ireland |
| 1940s | 8.11 million tonnes | 4.04 million tonnes | 4.07 million tonnes | Ireland |
| 1950s | 10.21 million tonnes | 6.50 million tonnes | 3.71 million tonnes | Ireland |
| 1960s | 14.58 million tonnes | 11.10 million tonnes | 3.48 million tonnes | Ireland |
| 1970s | 22.89 million tonnes | 20.42 million tonnes | 2.48 million tonnes | Ireland |
| 1980s | 27.46 million tonnes | 30.34 million tonnes | 2.88 million tonnes | Portugal |
| 1990s | 36.39 million tonnes | 52.99 million tonnes | 16.60 million tonnes | Portugal |
| 2000s | 46.37 million tonnes | 64.61 million tonnes | 18.24 million tonnes | Portugal |
| 2010s | 38.64 million tonnes | 50.73 million tonnes | 12.09 million tonnes | Portugal |
| 2020s | 35.22 million tonnes | 39.18 million tonnes | 3.97 million tonnes | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual co₂ emissions by world region, Ireland or Portugal?
- Portugal, at 35.54 million tonnes against 33.31 million tonnes in Ireland as of 2024.
- What is the difference in annual co₂ emissions by world region between Ireland and Portugal?
- 2.23 million tonnes, with Portugal ahead.
- How many years of comparable data are there for Ireland and Portugal?
- 113 years are reported by both, from 1880 to 2024.
- How do Ireland and Portugal rank globally for annual co₂ emissions by world region?
- Ireland ranks 69th and Portugal ranks 66th of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Annual CO₂ emissions by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.